Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBX5rTKd4wEX9/AQEJ8cT8nX3HPEFV1WBoFU3KOMzBaWzWU7BkT468zFC2Y… (844 chars)"
  }
}